F(x) = 2 means that the y intercept is 2 and f(2) means that for every x value you plug in 2.
Answer:
(x,y) = (3, 1/2)
Step-by-step explanation:
This pair of linear equations may be solved simultaneously by using the elimination method. This will involve ensuring that the coefficient of one of the unknown variables is the same in both equations..
To solve this, add the equations;
x + 2x + 2y - 2y = 4 + 5
3x = 9
x = 3
substitute the value of x into the first equation,
3 + 2y = 4
2y = 4 -3
2y = 1
y = 1/2
Answer:
£6000
Step-by-step explanation:
3:5:8
3+5+8=16
5-3 =2
Therefore 2=750
Therefore 1=375
16*375=£6000
Answer:
3 miles per hour
Step-by-step explanation:
We know that distance over time, d/t, is equal to rate, r.
By knowing this, we can substitute in the distance and time given into the formula:
d/t = r
15/5 = r
To solve this, we just need to simplify 15/5 to give us our answer:
15/5 = r
3 = r
This means that our rate is 3 miles per hour.
Answer:
x=4
Step-by-step explanation:
hope this helps! let me know if you want the steps/work
edited:
3x/7 = 1 5/7 first calculate the product to get 3x/7=1 5/7
then set the numerators equal since the denominators are the same to get 3x=12
divide both sides to get your answer which is x=4
